<template>
    <el-aside :width="width">
        <el-menu 
        :collapse="isCollapse"
        :collapse-transition="false"
        background-color="#545c64"
        text-color="#fff"
        :default-active="activeMenu"
        >
            <h3 v-show="!isCollapse">通用后台管理</h3>
            <h3 v-show="isCollapse">后台</h3>
            <!-- 无二级 -->
            <el-menu-item 
            v-for="item in noChildren" 
            :index="item.path" 
            :key="item.path"
            @click="handleMenu(item)"
            >
                <component class="icons" :is="item.icon"></component>
                <span>{{ item.label }}</span>
            </el-menu-item>
            <!-- 有二级 -->
            <el-sub-menu 
            v-for="item in hasChildren" 
            :index="item.path" 
            :key="item.path"
            >
            <template #title>
                <component class="icons" :is="item.icon"></component>
                <span>{{ item.label }}</span>
            </template>
                <el-menu-item-group>
                    <el-menu-item 
                    v-for="(subItem, subIndex) in item.children" 
                    :index="subItem.path" 
                    :key="subItem.path"
                    @click="handleMenu(subItem)"
                    >
                        <component class="icons" :is="subItem.icon"></component>
                        <span>{{ subItem.label }}</span>
                    </el-menu-item>
                </el-menu-item-group>
            </el-sub-menu>
        </el-menu>
    </el-aside>
</template>

<script setup>
import { ref, computed } from "vue";
import { useAllDataStore } from "../stores";
import { useRoute, useRouter } from "vue-router";
const list = computed(()=>store.state.menuList)
const noChildren = computed(() => list.value.filter(item => !item.children))
const hasChildren = computed(() => list.value.filter(item => item.children))
const store = useAllDataStore();
const isCollapse = computed(() => store.state.isCollapse)
const width = computed(() => store.state.isCollapse ? '64px' : '180px')
const router = useRouter()
const route = useRoute()
const activeMenu = computed(()=>route.path)
const handleMenu = (item)=>{
    router.push(item.path)
    store.selectMenu(item)
}
</script>

<style scoped lang="less">
.icons{
    width: 18px;
    height: 18px;
    margin-right: 5px;
}
.el-menu{
    border-right: none;
    h3{
        color: #fff;
        text-align: center;
        line-height: 48px;
    }
}
.el-aside{
    height: 100%;
    background-color:#545c64;
}

</style>